Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of protection to the wallet that actually works along with your seed phrase to encrypt and defend your wallet. A https://bookmarklogin.com/story19451920/bip39-generator-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic